TR 21 over Moon Creek
GoodLivingston County, Illinois · 375E 3050N · Structure no. 053415100000000
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected December 2020
- Type
- Channel Beam
- Concrete
- Length
- 74 ft
- 3 main spans
- Daily traffic
- 100
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 21 over Moon Creek is a concrete channel beam carrying TR 21 over Moon Creek in Livingston County, Illinois. It was built in 1999, so it is 26 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 19% of them trucks, projected to reach 101 by 2046. The structure is 74 ft (22.6 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 21 over Moon Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is TR 21 over Moon Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2020.
How much traffic does TR 21 over Moon Creek carry?
About 100 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is TR 21 over Moon Creek?
The structure is 74 ft (22.6 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.
Who owns TR 21 over Moon Creek?
It is owned by the Town or Township Highway Agency.